View Post Agencies | Brands | Campaigns | Digital | Social Media Ogilvy & Mather Chicago Crafts ‘Hemingway in 15 Seconds’ By Erik Oster on Nov. 19, 2014 - 12:00 PM Post by The Ernest Hemingway Foundation of Oak Park. Ogilvy & Mather Chicago created an Instagram campaign for The Ernest Hemingway Foundation of Oak Park adapting three classic Hemingway novels into 15-second videos. The idea ...